code: def test_plot_ale_n_cols(n_cols, explanation, mocker):
      """Test if the number of plot columns matches the expectation."""
      mocker.patch("alibi.explainers.ale._plot_one_ale_num")
      axes = plot_ale(
          exp=explanation, features=[0, 0, 0], n_cols=n_cols
      )
      assert axes.shape[-1] == n_cols
  
imports: import re
  from copy import deepcopy
  import matplotlib.pyplot
  import numpy
  import pytest
  from numpy.testing import assert_allclose
  from pytest_lazyfixture import lazy_fixture
  from alibi.api.defaults import DEFAULT_DATA_ALE, DEFAULT_META_ALE
  from alibi.api.interfaces import Explanation
  from alibi.explainers.ale import _plot_one_ale_num, adaptive_grid, ale_num, get_quantiles, minimum_satisfied, plot_ale
label_desc: Use image node_id 15 for calling a global function with example usage: test_plot_ale_n_cols(n_cols, explanation, mocker) without return types